How fast will a 1200 kg car be traveling when its momentum is 2400 kgm/s? Answer 2 m/s Page 2 4. Which has a higher momentum, a 3.5 kg bowling ball that is rolling at 30 m/s or a 50 kg student moving at 1.75 m/s?

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## What is the formula for change in momentum?

Momentum is the product of the mass and velocity of an object and describes mass in motion. Impulse: Impulse is a force that is applied to cause a change in momentum. The change in momentum of an object, Δp=m(vf−vi) Δ p = m ( v f − v i ) is equal to the impulse, J .

## What is the impulse momentum theorem formula?

Δ p = F net Δ t . F net Δ t F net Δ t is known as impulse and this equation is known as the impulse-momentum theorem. From the equation, we see that the impulse equals the average net external force multiplied by the time this force acts. It is equal to the change in momentum.

## What equation links force and momentum?

Force and momentum relation is given by the equation: F=dp/dt. The second law of motion gives the following equation as stated by Newton. The law states that the change in momentum of any object is given by mass into acceleration, that is, force.

## What is the momentum of a 22 kg cart which travels at 1.2 m s?

What is the momentum of a 22-kg grocery cart which travels at 1.2 m/s? Given: m=22 kg v=1.2 m/s Find: p Solution: p=mV =22 kg 1.2 m/s =26.4 kg .

## What is the momentum of a 1200 kg truck Travelling at a speed of 25 m s?

Answer and Explanation: Hence, we have shown that the momentum of the car is 30000 kg m/s.

## What is the SI unit of momentum?

SI unit. kilogram meter per second (kg⋅m/s)

## Can the momentum be negative?

Momentum can be negative. Momentum is a vector quantity, meaning it has both magnitude and direction. In physics, direction is indicated by the sign, positive or negative. Negative quantities move backwards or down, whereas positive quantities typically indicate the object is moving forward or up.

## Can an impulse be negative?

Impulse is a vector, so a negative impulse means the net force is in the negative direction. Likewise, a positive impulse means the net force is in the positive direction.

## What is the SI unit of impulse?

The SI unit of impulse is Newton-seconds (Ns) or kg m/s.

## Is impulse a vector or scalar?

Impulse is the average force over the time interval t. Momentum is the product of mass and velocity therefore it is a vector quantity. Since impulse depends on momentum, it is also a vector quantity.

## What is the formula for kinetic energy?

Kinetic energy is directly proportional to the mass of the object and to the square of its velocity: K.E. = 1/2 m v2. If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

## Is momentum a vector or scalar?

momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction.

## Is air resistance a force?

The air resistance is a special type of frictional force that acts upon objects as they travel through the air. The force of air resistance is often observed to oppose the motion of an object.

## Which two factors greatly affect momentum of moving objects?

The amount of momentum that an object has is dependent upon two variables: how much stuff is moving and how fast the stuff is moving. Momentum depends upon the variables mass and velocity.

## What is the momentum of a 1200 kilogram car traveling?

So the value of momentum physical to envy that is 1200 kg, multiplied by 30 m per second. So on solving we get the value of momentum so we get 36,000 kg meter but a second. So this is the value of momentum, so hence our answer is that is 36,000 k g meter per second.

## Which situation will produce the greatest change of momentum?

The momentum change is dependent upon the velocity change; the object with the greatest velocity change has the greatest momentum change.

## What has more momentum?

Two objects of different mass are moving at the same speed; the more massive object will have the greatest momentum. A less massive object can never have more momentum than a more massive object.

## What is the momentum of a 1200 kg car with a velocity of 25m S?

We can find the momentum of the car by multiplying the mass times the velocity. Because both the mass and velocity are given in SI units, we do not need to perform any unit conversion before multiplying. Hence, we have shown that the momentum of the car is 30000 kg m/s.

## What is the momentum of a truck that has a mass of 2000 kg and moving at a velocity of 35 m s?

Therefore, the momentum of the truck is 70,000kg m/s.

## What is the momentum of a 1500 kg car?

Putting these values in the above formula, we get: Final Momentum = 1500 × 20 kg. m/s = 30000 kg. m/s.

## What unit is energy?

Joule (J). This is the basic energy unit of the metric system, or in a later more comprehensive formulation, the International System of Units (SI).

## What is the first law of motion called?

1. Newton’s First Law of Motion (Inertia) An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force. 2. Newton’s Second Law of Motion (Force)

## What is unit of force?

The SI unit of force is the newton, symbol N. The base units relevant to force are: The metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg.

## Is momentum a force?

Momentum is the force that exists in a moving object. The momentum force of a moving object is calculated by multiplying its mass (weight) by its velocity (speed).